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The moment a meteor exploded into a ball of light last night as it entered the Earth's atmosphere has been captured on video.
NASA’s prolific Kepler space observatory never ceases to amaze planet hunters. Last week’s announcement of two “super-Earth” type planets sharing the habitable zone around the red dwarf star Kepler-62 further ratcheted up our optimism that life-bearing planets are all over the galaxy.
The discovery of three new super-Earths by scientists with NASA's Kepler mission is helping to reveal the bounty of extrasolar planets across the Milky Way.
A few months before he died, Carl Sagan recorded a message of hope to would-be Mars explorers, telling them: "Whatever the reason you're on Mars is, I'm glad you're there. And I wish I was with you."
Watch out, SpaceX, there's a new commercial rocket in town. After a few delays due to weather and a technical glitch, the Antares launch vehicle lifted off on its maiden flight on 21 April. The launch sets the stage for a second company to begin resupply missions to the International Space Station.
Unless space debris is actively tackled, some satellite orbits will become extremely hazardous over the next 200 years, a new study suggests.
In space, even the most mundane activities take on an exotic twist. Eating, drinking, sleeping… going to the bathroom… all of the everyday things that we do on Earth rely in some way on the constant, ever-present force of gravity. Remove that force — or at least mitigate its immediate effects — and everything behaves differently. Even something as unremarkable as, say, wringing out a wet cloth.
PML researchers are on the verge of reaching a long-sought major goal: Providing the world with a programmable quantum voltage standard that has an uncertainty of less than 1 part per billion, never needs calibration, and is sufficiently automated that it can be used in developing countries by non-experts.
Three Weakly Interacting Massive Particles – WIMPs to physicists – may not sound like many, but they're enough for excitement.
That's because if they exist, WIMPs would solve the “dark matter” puzzle. They are, however, exceedingly difficult to detect because of the first two words of their name. They're “weakly interacting”, so much so that if they do exist, you're under bombardment from WIMPs but never notice.
When it comes to preserving history, a group of archaeologists and historians are hoping to boldly go where no archaeologist has gone before.
From 1971 to 2000, the world's land areas were the warmest they have been in at least 1,400 years, according to a new study in Nature Geoscience. The massive new study, involving 80 researchers from around the world with the Past Global Changes (PAGES) group, is the first to look at continental temperature changes over two thousand years, providing insights into regional climatic changes from the Roman Empire to the modern day. According to the data, Earth's land masses were generally cooling until anthropogenic climate change reversed the long-term pattern in the late-19th Century.
Woolly mammoths stomp through the Siberian tundra as the giant moa strides the forest floor of New Zealand and Tasmania’s dog-like “tigers” stalk their prey under the cover of night.
This is not a snapshot of times past, nor next year’s sequel to Steven Spielberg’s “Jurassic Park.”
Instead, it is a scenario that some biogeneticists see as plausible in our own lifetimes: the resurrection of species driven to extinction, sometimes thousands of years ago.
The American Civil Liberties Union has warned a southwest Kansas school district against holding mandatory student assemblies that feature a creationist group.
“Teaching or otherwise promoting creationism is, simply put, unlawful,” the ACLU wrote in a letter to Hugoton Public Schools superintendent Mark Crawford on Friday. “As the District is surely aware, the federal courts have been unequivocally clear that efforts to inject religious beliefs regarding the origin of life into public school science curricula are constitutionally impermissible, no matter what form they take.”.
Ancient Egypt has stood out even among the impressive remains of other ancient civilizations for three main reasons: the pyramids are enormous, the cultural style and imagery remained consistent for ages, and it is really, really old. In fact, the pyramids were roughly as old to ancient tourists from classical Greece as the ruins of Athens and Delphi are to us today.
One of the biggest questions surrounding ancient Egypt then is “where did it come from?” Last week at the Dialogue of Civilizations in Guatemala, National Geographic grantee Renée Friedman of the British Museum, and Ramadan Hussein, recent recipient of a Humboldt Research Fellowship at the University of Tuebingen, set out to answer that question.
The Arab world has given birth to many thinkers and many inventions - among them the three-course meal, alcohol and coffee. The best coffee bean is still known as Arabica, but it's come a long way from the Muslim mystics who treasured it centuries ago, to the chains that line our high streets.
In the austere landscape of the eastern Butana desert in Sudan where there is no running water, no electricity nor paved roads, and where the few passersby are the occasional camel, goat or sheep, archaeologist Richard Lobban has discovered a lost temple of the Meroitic Empire.
He works steadily with trowel and brush, while 10 Sudanese workers haul away the dirt. He has only two months out of the year – November and December – to excavate, before the desert sun becomes too scorching to continue. Here, temperatures can climb to 120 degrees.
Over four millennia ago, the fortress town of Gonur-Tepe might have been a rare advanced civilisation before it was buried for centuries under the dust of the Kara Kum desert in remote western Turkmenistan.
After being uncovered by Soviet archaeologists in the last century, Gonur-Tepe, once home to thousands of people and the centre of a thriving region, is gradually revealing its mysteries with new artifacts being uncovered on every summer dig.
A Russian scientist believes a remote Siberian rock formation may be the first place that humanity began to follow the movements of the heavens.
An excavation funded with redundancy money shows Stonehenge was a settlement 3,000 years before it was built.
Odds are you carry DNA from a Neandertal, Denisovan or some other archaic human. Just a few years ago such a statement would have been virtually unthinkable. For decades evidence from genetics seemed to support the theory that anatomically modern humans arose as a new species in a single locale in Africa and subsequently spread out from there, replacing archaic humans throughout the Old World without mating with them. But in recent years geneticists have determined that, contrary to that conventional view, anatomically modern Homo sapiens did in fact interbreed with archaic humans, and that their DNA persists in people today.
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